FERREIRA-SNYMAN, A. Legal Challenges Relating to the Commercial Use of Outer Space, with Specific Reference to Space Tourism. Potchefstroom Electronic Law Journal, [S. l.], v. 17, n. 1, p. 001–050, 2017. DOI: 10.17159/1727-3781/2014/v17i1a2189. Disponível em: https://perjournal.co.za/article/view/2189. Acesso em: 21 jan. 2022.